345649705400 has 24 divisors (see below), whose sum is σ = 803635565520. Its totient is φ = 138259882080.

The previous prime is 345649705391. The next prime is 345649705507. The reversal of 345649705400 is 4507946543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 864124064 + ... + 864124463.

It is an arithmetic number, because the mean of its divisors is an integer number (33484815230).

Almost surely, 2^345649705400 is an apocalyptic number.

It is an amenable number.

345649705400 is an abundant number, since it is smaller than the sum of its proper divisors (457985860120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345649705400 is a wasteful number, since it uses less digits than its factorization.

345649705400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728248543 (or 1728248534 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 345649705400 in words is "three hundred forty-five billion, six hundred forty-nine million, seven hundred five thousand, four hundred".